NGTS-18

Display orbital revolution around the star NGTS-18
Imaginary Picture of Star NGTS-18
Star Name : NGTS-18
Alternate Name :
Star Distance (LY/pc): 3613.8085 (LY) 1108.0000 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 1.3920 (Rsun, estimated)
Stellar Mass (Msun): 1.0030 (Msun/observed) 1.0030 (Msun/estimated)
Spectral type : G5V
Metalicity : 0.1500
Absolute Magnitude : 4.28
Apparent Magnitude : 14.50
Right Ascension(RA) : 180.54583
Declination(DEC) : -35.54861
  • This is the NGTS-18 . The star NGTS-18 islocated about 3613.8 light-years (1108.0 pc) away from our Solar System.
  • The star NGTS-18 has apparent magnitude of 14.5, with absolute magnitude of 4.3.
  • It is 1.0 times more massive and 1.4 times bigger compared with our Sun. The surface temperature is 5610 with its spectral types of G5V
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet NGTS-18 b radius 1.210000 mass 0.409000 orbital distance 0.044800
    (Illustration of the NGTS-18's Planetary System)



    The Star NGTS-18 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.949 AU ( 141978659.1 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.312 AU ( 196251610.4 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.999 AU ( 299044023.8 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.942 AU ( 440056381.3 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star NGTS-18)



    Kopparapu's Recent Venus for Star NGTS-18 distance : 0.994 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star NGTS-18 distance : 1.258 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star NGTS-18 distance : 1.215 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star NGTS-18 distance : 1.332 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star NGTS-18 distance : 2.232 AU
    Kopparapu's Outer Boundary for Early Mars for Star NGTS-18 distance : 2.354 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star NGTS-18)



  • Original Kopparapu Recent Venus for Star NGTS-18 distance : 0.992 AU
  • Original Kopparapu Runaway Greenhouse for Star NGTS-18 distance : 1.294 AU
  • Original Kopparapu Moist Greenhouse for Star NGTS-18 distance : 1.312 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star NGTS-18 distance : 2.271 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star NGTS-18 distance : 2.362 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star NGTS-18)



    (Position in Stellar Map of star NGTS-18 )



    (Zoomed position in Stellar Map of star NGTS-18 (zoom level 3))

    (Synthetic Spectrum of star Kepler-1303*)
    *Yamashiki YA et al. 2019 ApJ 881 114
    MUSCLES Paper I - France et al. 2016 ApJ 820 89
    MUSCLES Paper II- Youngblood et al. 2016 ApJ 824 101
    MUSCLES Paper III- Loyd et al. 2016 ApJ 824 102